TEAI Region 2 DeKalb County ● DeKalb High School, DeKalb ​ ​ ● Genoa-Kingston High School, Genoa ​ ​ ● Hiawatha Junior and Senior High School, Kirkland ​ ​ ● Hinckley-Big Rock High School, Hinckley ​ ​ ● Indian Creek High School, Shabbona ​ ​ ● Sandwich Community High School, Sandwich, also serves students in Kendall and LaSalle ​ ​ ​ counties ● Somonauk High School, Somonauk, also serves students in LaSalle County ​ ​ ​ ● Sycamore High School, Sycamore ​ ​ Kane County ● Aurora Central Catholic High School, Aurora ​ ​ ● Aurora Christian School, Aurora[23] ​ ​ ​ ● Batavia High School, Batavia ​ ​ ● Central High School, Burlington ​ ​ ● Dundee-Crown High School, Carpentersville ​ ​ ● East Aurora High School, Aurora ​ ​ ● The Einstein Academy, Elgin ​ ​ ● Elgin Academy, Elgin ​ ​ ● Geneva Community High School, Geneva ​ ​ ● Gifford Street High School, Elgin[24] ​ ​ ​ ● Hampshire High School, Hampshire ​ ​ ● Harvest Christian Academy, Elgin ​ ● Illinois Mathematics and Science Academy, Aurora ​ ​ ● Harry D. Jacobs High School, [Algonquin, IL]] ​ ● Kaneland High School, Maple Park ​ ​ ● Larkin High School, Elgin ​ ​ ● Marmion Academy, Aurora ​ ​ ● Rosary High School, Aurora ​ ​ ● South Elgin High School, South Elgin ​ ​ ● St. Charles East High School, St. Charles ​ ​ ● St. Charles North High School, St. Charles ​ ​ ● St. Edward Central Catholic High School, Elgin ​ ​ ● West Aurora High School, Aurora ​ ​ ● Westminster Christian School, Elgin ​ Lake County ● Antioch Community High School, Antioch ​ ​ ● Barrington High School, Barrington ​ ​ ● Carmel High School, Mundelein ​ ​ ● Deerfield High School, Deerfield ​ ​ [31] ● Gateway School, ​ Lake Villa ​ ​ ​ ● Grant Community High School, Fox Lake ​ ​ ● Grayslake Central High School, Grayslake ​ ​ ● Grayslake North High School, Grayslake ​ ​ ● Highland Park High School, Highland Park ​ ​ ● Lake Forest Academy, Lake Forest ​ ​ ● Lake Forest High School, Lake Forest ​ ​ ● Lake Zurich High School, Lake Zurich ​ ​ ● Lakes Community High School, Lake Villa ​ ​ [32] ● Cyd Lash Academy, ​ Gages Lake ​ ​ ​ ● Libertyville High School, Libertyville ​ ​ ● Mundelein High School, Mundelein ​ ​ ● New Tech High at Zion-Benton East, Zion ​ ​ ● North Chicago Community High School, North Chicago ​ ​ ● Round Lake High School, Round Lake ​ ​ ● Cristo Rey St. Martin College Prep Waukegan ​ ​ ● Adlai E. Stevenson High School, Lincolnshire ​ ​ ● Vernon Hills High School, Vernon Hills ​ ​ ● Warren Township High School, Gurnee ​ ​ ● Wauconda High School, Wauconda ​ ​ ● Waukegan High School, Waukegan ​ ​ [33] ● Woodlands Academy of the Sacred Heart, ​ Lake Forest ​ ​ ​ ● Zion-Benton Township High School, Zion ​ ​ McHenry County ● Alden-Hebron High School, Hebron ​ ​ ● Cary-Grove High School, Cary ​ ​ ● Crystal Lake Central High School, Crystal Lake ​ ​ ● Crystal Lake South High School, Crystal Lake ​ ​ ● Faith Lutheran High School, Crystal Lake ​ ​ ● Harvard High School, Harvard ​ ​ ● Huntley High School, Huntley ​ ​ ● Jacobs High School, Algonquin ​ ​ ● Johnsburg High School, Johnsburg ​ ​ ● Marengo Community High School, Marengo ​ ​ ● Marian Central Catholic High School, Woodstock ​ ​ ● McHenry East High School, McHenry ​ ​ ● McHenry West High School, McHenry ​ ​ ● Prairie Ridge High School, Crystal Lake ​ ​ ● Richmond-Burton Community High School, Richmond ​ ​ ● Woodstock High School, Woodstock ​ ​ ● Woodstock North High School, Woodstock ​ ​ .